CHICAGO (CBS) – A man died earlier this week, and police are seeking a woman who is suspected of stabbing him at a Back of the Yards neighborhood motel on Sept. 23.

Francis Walton, 60, who lives at the Ashland Hotel in the 1500 block of West 47th Street, was pronounced dead at 4:48 p.m. Monday at Stroger Hospital of Cook County, according to the Cook County Medical Examiner’s office.

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On the morning of Sept. 23, Walton and a woman who may have spent the night with him began arguing at the hotel. At 8 a.m. he was placing her belongings out in a hallway when she allegedly approached him from behind and stabbed him in the left side with a knife, according to police.

He was found lying in the hallway and was initially taken to Stroger Hospital in serious condition, police said.

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There was at least one witness to the incident and police early Wednesday were seeking to re-interview the witnesses and are still trying to find her. Two knifes were recovered.

The establishment where Walton lived is also known as a “single-room occupancy” or SRO, and accepts long-term residents, according to a spokesman.

An autopsy is scheduled for later Wednesday.

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2010. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)